CVE-2025-49695: Microsoft Office use after free local code execution

CVE-2025-49695 · Severity: high · CVSS 8.4 · Published 2025-07-08

A vulnerability in Microsoft Office could allow an attacker to run unauthorized code on a user's computer. Microsoft Office is a widely used suite of productivity applications including Word, Excel, and PowerPoint. If exploited, this flaw could allow an attacker to gain full control over the affected system, potentially leading to data theft or the installation of malicious software.

Technologies: Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019, Microsoft Office for Android, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024. Vendors: Microsoft.

Quick answers

Is CVE-2025-49695 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-49695 being exploited in the wild.
How severe is CVE-2025-49695?
High severity, with a CVSS score of 8.4, published 8 July 2025.
Which products and versions are affected?
Microsoft Office 2016; Microsoft Office 2019; Microsoft Office LTSC 2021; Microsoft Office LTSC 2024; and 2 more.
Is there a fix for CVE-2025-49695?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2025-49695 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2025-49695?
Check whether you run Microsoft 365 Apps for Enterprise, Microsoft Office 2016, Microsoft Office 2019 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This vulnerability is classified as a use-after-free (CWE-416) within Microsoft Office. It occurs when the application continues to use a pointer after it has been freed, which can be leveraged by a local attacker to corrupt memory and execute arbitrary code. The attack vector is local, meaning the attacker must have a presence on the system or entice a user to run a malicious file. According to the CVSS metrics, no elevated privileges or user interaction are required for successful exploitation. Affected versions include Office 2016, 2019, LTSC 2021/2024, and Microsoft 365 Apps across Windows, macOS, and Android platforms.

Affected products

  • Microsoft Office 2016
  • Microsoft Office 2019
  • Microsoft Office LTSC 2021
  • Microsoft Office LTSC 2024
  • Microsoft 365 Apps for Enterprise
  • Microsoft Office for Android

Timeline

  • 2025-07-08: advisory: Initial advisory published by Microsoft and NVD.

References

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